Urutonde rwa HP-DHK rwubatswe kabiri-imashini yo gutekesha (ipatanti yo guhanga No.: ZL 2009 1 0014580.9) yikubye kabiri umusaruro, ikiza 50% byamashanyarazi, hamwe nishoramari ryibikoresho 50 %.Mu 2009, byemejwe n’ishyirahamwe ry’inganda mu Bushinwa, uzwi cyane muri Shenyang Aluminium Magnesium Design Institute Co., Ltd., Guiyang Aluminium Magnesium Design and Research Institute Co., Ltd., hamwe ninzobere nyinshi zizwi cyane za karubone zo murugo kugira uruhare mugusuzuma ibyagezweho na siyanse na tekinoloji mu ntara na minisiteri.Double-layer preheating knader niyambere mubwoko bwayo murugo no mumahanga, igera kurwego mpuzamahanga ruyobora ibicuruzwa bisa.